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So the preview resolution is the resolition which is shown on display, but not the one which i am working on bevor display the processed image?
– Pm740
Commented Dec 18, 2017 at 21:38
1

No, it's exactly the resolution you get from the camera. You don't get a pixel more (or less). For display, the picture may be scaled up or down to fit the 'window'. But your onCameraFrame() callback gets inputFrame whose width and height are not allowed to exceed the MaxFrameSize you have chosen (width - 240, height - 180).
– Alex Cohn
Commented Dec 18, 2017 at 23:38
Then a 180p preview frame should have a better perfromance than a 720p one, right?
– Pm740
Commented Feb 10, 2018 at 16:48

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